Chassis for a wheelchair



FIG. 1 is a shaded, front elevation view of a chassis for a wheelchair showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a first perspective view thereof; and,

FIG. 8 is a second perspective view thereof.

The broken line showing is included for the purpose of illustrating unclaimed subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for a chassis for a wheelchair, as shown and described. 